Replaceable aluminum alloy extrusion die
The modular design of aluminum alloy extrusion dies solves the problem of high maintenance costs associated with traditional dies, enables convenient component replacement and high versatility, reduces production costs, and improves product quality and efficiency.
Patent Information
- Application Number
- CN202423034295.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Traditional aluminum alloy extrusion dies adopt an integrated design, which means that when the die parts are damaged, the whole die must be scrapped or repaired, resulting in high maintenance costs. In addition, different products require different dies, which increases production costs.
The modular design is adopted to split the mold into replaceable parts such as the upper template, lower template, mold core and mold core. Modular connection is achieved through positioning grooves and positioning blocks, which facilitates the replacement and adjustment of the molding cavity structure.
It reduced production and maintenance costs, improved the versatility and stability of molds, reduced defects, and improved product quality and production efficiency.
Smart Images
Figure CN223454845U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to extrusion die technical field, especially to a replaceable aluminium alloy extrusion die. BACKGROUND
[0002] Extrusion molding of metal profiles is a common and important production process. In the field of aluminum alloy extrusion molding technology, the design and manufacture of the die directly affect the quality and production efficiency of the product.
[0003] Traditional aluminum alloy extrusion dies often adopt integrated design, that is, the various components of the extrusion die are fixedly connected by welding or other means after manufacturing is completed, thereby forming a whole. When a component of the extrusion die is damaged or fails, the whole die often needs to be scrapped or undergo complicated repair, which is high in maintenance cost, and different dies need to be replaced for different aluminum alloy products, which is high in production cost. SUMMARY
[0004] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a replaceable aluminum alloy extrusion die, which is convenient to replace, low in maintenance cost, high in versatility and capable of saving production cost.
[0005] According to the replaceable aluminum alloy extrusion die provided by the utility model, the upper die plate is connected to one side of the lower die plate, the upper die plate is provided with a feeding channel and a shunt channel in communication, the shunt channel is provided with a shunt bridge, the end of the shunt bridge is connected to the inner wall of the shunt channel, the side of the shunt bridge close to the lower die plate is provided with a first positioning groove, one side of the die core is provided with a first positioning block matched with the first positioning groove, the first positioning block is snap-connected in the first positioning groove, the circumferential surface of the die core is provided with an inner forming structure, the lower die plate is provided with a mounting groove and a discharging channel in communication, one end of the discharging channel is connected to the groove bottom of the mounting groove, the die core is arranged in the mounting groove, one side of the die core abuts against the groove bottom of the mounting groove, the other side of the die core abuts against the side surface of the upper die plate and the side surface of the first positioning block, the die core is provided with a material guiding channel and a forming channel in communication, the die core is arranged in the material guiding channel and the forming channel, a forming cavity is formed between the inner forming structure and the forming channel, the width of the material guiding channel gradually decreases along the extrusion direction, the width of the forming channel is smaller than that of the discharging channel, and the feeding channel, the shunt channel, the material guiding channel, the forming channel and the discharging channel are sequentially communicated along the extrusion direction.
[0006] According to the replaceable aluminum alloy extrusion die provided by some embodiments of the utility model, the side of the upper die plate close to the lower die plate is provided with a second positioning groove, the first positioning block is provided with a second positioning block matched with the second positioning groove, the second positioning block is snap-connected in the second positioning groove, and the lower die plate abuts against one side of the second positioning block.
[0007] According to the replaceable aluminum alloy extrusion die of some embodiments of the present application, the side of the die core close to the upper die plate is provided with a third positioning groove matched with the second positioning block, and the second positioning block is also clamped and connected in the third positioning groove.
[0008] According to the replaceable aluminum alloy extrusion die of some embodiments of the present application, the side of the second positioning block close to the lower die plate is provided with a fourth positioning groove, the third positioning groove is provided with a third positioning block matched with the fourth positioning groove, and the third positioning block is clamped and connected in the fourth positioning groove.
[0009] According to the replaceable aluminum alloy extrusion die of some embodiments of the present application, the installation groove is a prismatic groove, and the die core is a prismatic column.
[0010] According to the replaceable aluminum alloy extrusion die of some embodiments of the present application, the shunt bridge is in Y shape or cross shape.
[0011] According to the replaceable aluminum alloy extrusion die of some embodiments of the present application, the side of the upper die plate close to the lower die plate is provided with an arc-shaped protrusion, the side of the lower die plate close to the upper die plate is provided with an arc-shaped groove matched with the arc-shaped protrusion, and the arc-shaped protrusion is clamped and connected in the arc-shaped groove.
[0012] According to the replaceable aluminum alloy extrusion die of some embodiments of the present application, the side of the shunt bridge close to the feeding channel is provided with a flow guide column.
[0013] The replaceable aluminum alloy extrusion die according to the embodiments of the present application has at least the following beneficial effects: the modular design of the die is realized, when a certain component of the die is invalid due to wear or damage, only the component needs to be replaced, the production cost and the maintenance difficulty can be greatly reduced, when different aluminum alloy products need to be produced, the structure of the forming cavity can be adjusted by replacing the die core and the die core, the general performance is strong, the die investment cost can be reduced, the production cost can be effectively reduced, the installation of the die core and the die core is connected by clamping, the replacement operation is convenient; by arranging the first positioning groove and the first positioning block between the upper die plate and the die core, the die core can be accurately positioned, at the same time, the die core is also abutted with the side surface of the upper die plate, the first positioning block and the side surface of the shunt bridge, and the stability of the overall structure of the die in the extrusion process is further ensured.
[0014] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0015] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:
[0016] Fig. 1 A three-dimensional structure schematic diagram of the replaceable aluminum alloy extrusion die according to an embodiment of the present application is shown in the figure.
[0017] Fig. 2 An exploded structure schematic diagram of the replaceable aluminum alloy extrusion die according to an embodiment of the present application is shown in the figure.
[0018] Fig. 3 An exploded structure schematic diagram of the replaceable aluminum alloy extrusion die according to an embodiment of the present application is shown in the figure.
[0019] Fig. 4 An internal structure schematic diagram of the replaceable aluminum alloy extrusion die according to an embodiment of the present application is shown in the figure.
[0020] Reference signs:
[0021] Upper die plate 1, feeding channel 11, shunt channel 12, shunt bridge 13, first positioning groove 14, second positioning groove 15, arc-shaped protrusion 16, flow guide column 17;
[0022] Lower die plate 2, mounting groove 21, discharging channel 22, arc-shaped recess 23;
[0023] Die core 3, first positioning block 31, inner forming structure 32, second positioning block 33, fourth positioning groove 34;
[0024] Die core 3, first positioning block 31, inner forming structure 32, second positioning block 33, fourth positioning groove 34; DETAILED DESCRIPTION
[0025] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the following described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0026] In the description of the present application, it should be understood that when one component is considered to be "connected" to another component, it can be directly connected to the other component or there can be a component disposed in the middle. When one component is considered to be "disposed on" another component, it can be directly disposed on the other component or there can be a component disposed in the middle.
[0027] In addition, the terms "long", "short", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model, and do not indicate or imply that the device or element referred to must have this particular orientation, be constructed in a particular orientation for operation, and cannot be understood as a limitation of the utility model.
[0028] In the related art, the aluminum alloy extrusion die is often designed in an integrated manner, that is, the various components of the extrusion die are fixedly connected through welding or other means after being manufactured, thereby forming a whole. When a certain component of the extrusion die is damaged or fails, the whole die often needs to be scrapped or repaired in a complicated manner, the maintenance cost is high, and different dies need to be replaced for different aluminum alloy products, the production cost is high.
[0029] The technical solutions of the utility model will be further illustrated below by specific embodiments in combination with the drawings.
[0030] With reference to Figs. 1 to 4The utility model discloses a replaceable aluminium alloy extrusion die, including upper die plate 1, lower die plate 2, die core 3 and die core 4, upper die plate 1 is connected in one side of lower die plate 2, upper die plate 1 is equipped with feeding channel 11 and shunt channel 12 that communicate in proper order along extrusion direction, be equipped with shunt bridge 13 in shunt channel 12, every end of shunt bridge 13 is connected to the inner wall of shunt channel 12, and shunt bridge 13 is used for dividing the internal space of shunt channel 12 to form multiple shunt cavities, and the side of shunt bridge 13 close to lower die plate 2 is equipped with first positioning slot 14, and the side of die core 3 close to upper die plate 1 is equipped with the first positioning block 31 matched with first positioning slot 14, and first positioning block 31 is clamped and connected in first positioning slot 14, and die core 3 is cylindrical structure, and the circumferential surface of die core 3 is equipped with inner forming structure 32, and lower die plate 2 is equipped with mounting groove 21 and discharge channel 22 that communicate in proper order along extrusion direction, and the shape and size of mounting groove 21 are matched with the shape and size of die core 3, and the end of discharge channel 22 close to upper die plate 1 is connected to the groove bottom of mounting groove 21, and die core 4 is located in mounting groove 21, and one side of die core 4 abuts to the groove bottom of mounting groove 21, and the other side of die core 4 abuts to the side surface of upper die plate 1 and the side surface of first positioning block 31, and the other side of die core 4 also abuts to the side surface of shunt bridge 13 close to lower die plate 2, and the connection between upper die plate 1 and lower die plate 2 is realized by screw and the like, can effectively stabilize the position of die core 4 and die core 3 between upper die plate 1 and lower die plate 2, and die core 4 is equipped with material guiding channel 41 and forming channel 42 that communicate in proper order along extrusion direction, and die core 3 is located in material guiding channel 41 and forming channel 42, and the forming cavity is formed between inner forming structure 32 and forming channel 42, and the width of material guiding channel 41 gradually decreases along extrusion direction, that is, the cross-sectional area of material guiding channel 41 gradually decreases along extrusion direction, and the width of forming channel 42 is less than the width of discharge channel 22, and feeding channel 11, shunt channel 12, material guiding channel 41, forming channel 42 and discharge channel 22 communicate in proper order along extrusion direction.
[0031] By splitting the mold into the upper mold plate 1, the lower mold plate 2, the mold core 3 and the mold core 4, the mold is modularly designed, when a part of the mold fails due to wear or damage, only the part needs to be replaced, which can greatly reduce the production cost and maintenance difficulty, and when different aluminum alloy products need to be produced, the structure of the forming cavity can be adjusted by replacing the mold core 3 and the mold core 4, thereby adapting to the production of aluminum alloy products of different structures, the general performance is strong, the mold investment cost can be reduced, the production cost can be effectively reduced, the installation of the mold core 3 and the mold core 4 is connected through the clamping position, and the replacement operation is convenient; the shunt passage 12 is divided into a plurality of shunt cavities through the shunt bridge 13, so that the aluminum alloy material can flow more uniformly during extrusion, and the guide channel 41 width gradually decreases along the extrusion direction, which can effectively reduce the generation of defects such as cracks and bubbles, thereby improving the compactness and production efficiency of the product, and the quality and performance of the product are high; by arranging the first positioning groove 14 and the first positioning block 31 between the upper mold plate 1 and the mold core 3, the mold core 3 can be accurately positioned, and at the same time, the mold core 4 also abuts against the side surface of the upper mold plate 1, the first positioning block 31 and the side surface of the shunt bridge 13, further ensuring the stability of the overall structure of the mold during the extrusion process.
[0032] It can be understood that the side of the upper mold plate 1 close to the lower mold plate 2 is provided with a second positioning groove 15, the second positioning groove 15 is located outside the shunt passage 12, one end of the first positioning block 31 away from the mold core 3 is provided with a second positioning block 33 matched with the second positioning groove 15, the second positioning block 33 is clamped and connected in the second positioning groove 15, and the lower mold plate 2 abuts on one side of the second positioning block 33. Through the cooperation of the second positioning block 33 and the second positioning groove 15, the stability of the position of the mold core 3 installed between the upper mold plate 1 and the lower mold plate 2 can be further improved.
[0033] It can be understood that the side of the mold core 4 close to the upper mold plate 1 is provided with a third positioning groove 43 matched with the second positioning block 33, and the second positioning block 33 is also clamped and connected in the third positioning groove 43. Through the cooperation of the second positioning block 33 and the third positioning groove 43, the relative position between the mold core 4 and the mold core 3 can be further stabilized.
[0034] It can be understood that the second positioning block 33 is provided with a fourth positioning groove 34 near one side of the lower die plate 2, the third positioning groove 43 is provided with a third positioning block 44 matched with the fourth positioning groove 34, the third positioning block 44 is clamped and connected in the fourth positioning groove 34, and the relative position between the core 3 and the core 3 is further stabilized by the cooperation of the third positioning block 44 and the fourth positioning groove 34. The position between the upper die plate 1 and the lower die plate 2 can be further stabilized, the stability of the connecting structure between the core 3, the upper die plate 1 and the lower die plate 2 can be effectively improved by the multiple spanning positioning block and positioning groove structure, unnecessary deviation of one of the components can be avoided, the convenience of installation and alignment of the core 3 can be effectively improved, and the collimation of the whole aluminum alloy extrusion die can be effectively ensured, and the extrusion forming effect of the aluminum alloy can be effectively improved.
[0035] It can be understood that the installation groove 21 is a prismatic groove, and the core 4 is a prismatic column. The prismatic structure is arranged to realize the positioning connection between the core 4 and the installation groove 21, which can effectively avoid unnecessary deflection between the core 4 and the lower die plate 2, and can effectively improve the stability of the die structure.
[0036] It can be understood that the shunt bridge 13 is Y-shaped or cross-shaped, wherein the Y-shaped can also be three-pronged, and each branch of the shunt bridge 13 is connected to the inner wall of the shunt channel 12. The shunt bridge 13 connects the core 3 and the upper die plate 1, which can effectively improve the stability of the connecting structure between the core 3 and the upper die plate 1.
[0037] It can be understood that the upper die plate 1 is provided with an arc-shaped protrusion 16 near one side of the lower die plate 2, the lower die plate 2 is provided with an arc-shaped groove 23 matched with the arc-shaped protrusion 16 near one side of the upper die plate 1, the arc-shaped protrusion 16 is clamped and connected in the arc-shaped groove 23, and the uniformity of the interaction force between the upper die plate 1 and the lower die plate 2 can be effectively improved by the cooperation of the arc-shaped protrusion 16 and the arc-shaped groove 23, the stability of the structure between the upper die plate 1 and the lower die plate 2 can be effectively improved, and the service life can be effectively prolonged.
[0038] Preferably, the arc-shaped protrusion 16 and the arc-shaped groove 23 are both provided with a plurality of and the same number, which can further improve the stability of the overall structure.
[0039] It can be understood that the shunt bridge 13 is provided with a flow guide column 17 near one side of the feeding channel 11, and the edge of the flow guide column 17 away from the shunt channel 12 is provided with a circular guide angle. The aluminum alloy raw materials in the feeding channel 11 can be positioned and guided by the flow guide column 17.
[0040] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A replaceable aluminum alloy extrusion die characterized by, The utility model provides a mould, including upper template (1), lower template (2), mould core (3) and mould core (4), one side of upper template (1) is connected to lower template (2), upper template (1) is equipped with the feeding channel (11) and the shunt channel (12) of intercommunication, be equipped with shunt bridge (13) in shunt channel (12), the end of shunt bridge (13) is connected to the inner wall of shunt channel (12), the first locating groove (14) is equipped with in the side of shunt bridge (13) near lower template (2), one side of mould core (3) is equipped with with first locating block (31) of matching first locating groove (14), first locating block (31) is clamped and is connected in first locating groove (14), the circumferential surface of mould core (3) is equipped with inner forming structure (32), lower template (2) is equipped with the installation groove (21) and the discharge channel (22) of intercommunication, one end of discharge channel (22) is connected to the groove bottom of installation groove (21), mould core (4) is located in installation groove (21), one side of mould core (4) is butt joint to the groove bottom of installation groove (21), the other side of mould core (4) is butt joint to the side of upper template (1) and the side of first locating block (31), mould core (4) is equipped with the material guiding channel (41) and the forming channel (42) of intercommunication, mould core (3) is located in material guiding channel (41) and forming channel (42), form the forming cavity between inner forming structure (32) and forming channel (42), the width of material guiding channel (41) gradually decreases along the extrusion direction, the width of forming channel (42) is less than the width of discharge channel (22), the feeding channel (11), shunt channel (12), material guiding channel (41), forming channel (42) and discharge channel (22) are sequentially communicated along the extrusion direction.
2. The replaceable aluminum alloy extrusion die of claim 1, wherein, The side of upper template (1) near lower template (2) is equipped with second locating groove (15), first locating block (31) is equipped with with second locating block (33) of matching second locating groove (15), second locating block (33) is clamped and is connected in second locating groove (15), the side of lower template (2) is butt joint to second locating block (33).
3. The replaceable aluminum alloy extrusion die of claim 2, wherein, The side of mould core (4) near upper template (1) is equipped with with third locating groove (43) of matching second locating block (33), second locating block (33) is clamped and is connected in third locating groove (43) still.
4. The replaceable aluminum alloy extrusion die of claim 3, wherein, The side of second locating block (33) near lower template (2) is equipped with fourth locating groove (34), third locating groove (43) is equipped with with third locating block (44) of matching fourth locating groove (34) in, third locating block (44) is clamped and is connected in fourth locating groove (34).
5. The replaceable aluminum alloy extrusion die of claim 4, wherein, The installation groove (21) is prismatic slot, and the mould core (4) is prismatic column.
6. The replaceable aluminum alloy extrusion die of claim 1, wherein, The shunt bridge (13) is Y-shaped or cross-shaped.
7. The replaceable aluminum alloy extrusion die of claim 1, wherein, The upper die plate (1) is provided with an arc-shaped protrusion (16) on the side close to the lower die plate (2), and the lower die plate (2) is provided with an arc-shaped groove (23) matching the arc-shaped protrusion (16) on the side close to the upper die plate (1), and the arc-shaped protrusion (16) is clamped and connected in the arc-shaped groove (23).
8. The replaceable aluminum alloy extrusion die of claim 1, wherein, The shunt bridge (13) is provided with a flow guide column (17) on the side close to the feeding channel (11).